Real Madrid were crowned Spanish Super Cup champions after goals from Luka Modric and Karim Benzema earned them a 2-0 win over Athletic Bilbao.
Sevilla cut into Real Madrid's lead of La Liga after winning at Cadiz 1-0 on Monday, while Oihan Sancet scored a hat-trick for Athletic Bilbao.
La Liga champions Atletico Madrid were stunned by Granada, losing 2-1 on Wednesday, while Napoli slipped to defeat against Spezia in Serie A.
Real Madrid, Barcelona and Athletic Bilbao are taking legal action against La Liga over a €1.994bn private equity deal that league administrators agreed last week.
Bayern Munich extended their Bundesliga lead to six points with Jamal Musiala on target as they beat Mainz 2-1, while Borussia Dortmund were held by Bochum.
Przemyslaw Frankowski earned Lens their first victory over Lille for 15 years in a derby marred by crowd trouble, while Bayern Munich and Inter both racked up big wins.
Erling Haaland scored two goals as Borussia Dortmund came from behind before beating Bayer Leverkusen 4-3 and Bayern Munich thumped RB Leipzig 4-1.
Barcelona, Real Madrid and Athletic Bilbao all announced on Friday that they were challenging La Liga's private equity investment deal with CVC.
The majority of LaLiga clubs have approved a £2.3bn investment deal with CVC Capital Partners but opponents have been given an opt-out clause.
Diogo Jota was on target as Liverpool drew 1-1 with Athletic Bilbao in front of a big Anfield crowd - although Andy Robertson's injury marred the occasion.
Real Madrid moved to the top of La Liga, level on points with rivals Atletico, after they won 3-0 at Cadiz, where Karim Benzema scored twice.
Lionel Messi scored twice as Athletic Bilbao lost their second Copa del Rey final in a month with Barcelona cruising to a 4-0 win in Seville.
Karim Benzema's fine run of form continued with a double as Real Madrid won at Celta Vigo to move up to second place in La Liga.
Lautaro Martinez's late winner stretched Inter's winning run to eight games, while Cristiano Ronaldo answered his critics with a perfect hat-trick.
Luis Suarez's penalty sealed La Liga leaders Atletico Madrid a 2-1 victory over Athletic Bilbao.
Bayern Munich fought back in a thrilling 3-3 Bundesliga draw with Arminia Bielefeld to avoid a first home defeat since November 2019.
Barcelona needed extra-time to squeeze past third-tier Cornella and avoid becoming the second Spanish giant to be knocked out of the Copa del Rey in successive days.
Lionel Messi was sent off for the first time in his Barcelona career in the closing stages of extra time as they lost 3-2 to Athletic Bilbao in the Spanish Super Cup.
Athletic Bilbao forward Raul Garcia scored twice in a 2-1 win over Real Madrid to knock the holders out of the Spanish Super Cup and set up a final against Barcelona.
Mauricio Pochettino's first game in charge of Paris Saint-Germain ended in a 1-1 draw with St Etienne in Ligue 1.